HBO has released the preview for the sixth episode of Game of Thrones‘ third season. Set to air this Sunday, the episode is titled “The Climb” and is described as follows:

“Robb considers a compromise to mend his alliance with House Frey; Melisandre visits the Riverlands; Tywin plans strategic unions for the Lannisters; Jaime’s fate is in Roose Bolton’s hands; Jon prepares for a dangerous climb with the Wildings.”